fix: split cargo test into per-crate steps for CI diagnostics

cargo test --workspace consistently gets a runner shutdown signal
after sandchest-agent tests complete but before sandchest-node tests
run. Splitting into separate steps will isolate which crate's test
binary is causing the issue.

Author: richiemcilroy

.github/workflows/ci.yml

@@ -54,6 +54,10 @@ jobs:
 
       - run: cargo check --workspace
 
-      - run: cargo test --workspace
+      - name: Test sandchest-agent
+        run: cargo test -p sandchest-agent
+
+      - name: Test sandchest-node
+        run: cargo test -p sandchest-node
 
       - run: cargo clippy --workspace -- -D warnings

.github/workflows/deploy-node.yml

@@ -35,7 +35,11 @@ jobs:
       - name: Install protobuf compiler
         run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
 
-      - run: cargo test --workspace
+      - name: Test sandchest-agent
+        run: cargo test -p sandchest-agent
+
+      - name: Test sandchest-node
+        run: cargo test -p sandchest-node
 
       - run: cargo clippy --workspace -- -D warnings